Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-2995— Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab

Quick assessment

Affected
GitLab GitLab
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GitLab是美国GitLab公司的一个端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab EE 15.4至18.8.7之前版本、18.9至18.9.3之前版本和18.10至18.10.1之前版本存在安全漏洞，该漏洞源于HTML内容清理不当，可能导致经过身份验证的用户向目标用户账户添加电子邮件地址。

CVSS 7.7 · High EPSS 0.19% · P8

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-2995

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
GitLab has remediated an issue in GitLab EE affecting all versions from 15.4 before 18.8.7, 18.9 before 18.9.3, and 18.10 before 18.10.1 that could have allowed an authenticated user to add email addresses to targeted user accounts due to improper sanitization of HTML content.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
GitLab 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab EE 15.4至18.8.7之前版本、18.9至18.9.3之前版本和18.10至18.10.1之前版本存在安全漏洞，该漏洞源于HTML内容清理不当，可能导致经过身份验证的用户向目标用户账户添加电子邮件地址。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 15.4 ~ 18.8.7 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-2995

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-2995

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-2995 (1)

Same Patch Batch · GitLab · 2026-03-25 · 11 CVEs total

CVE-2026-3857 8.1 HIGH Cross-Site Request Forgery (CSRF) in GitLab
CVE-2026-3988 7.5 HIGH Inefficient Algorithmic Complexity in GitLab
CVE-2026-2745 6.8 MEDIUM Authentication Bypass Using an Alternate Path or Channel in GitLab
CVE-2026-1724 6.8 MEDIUM Missing Authentication for Critical Function in GitLab
CVE-2025-13436 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in GitLab
CVE-2025-13078 6.5 MEDIUM Improper Validation of Specified Quantity in Input in GitLab
CVE-2026-2973 5.4 MEDIUM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2026-2726 4.3 MEDIUM Incorrect Authorization in GitLab
CVE-2025-14595 4.3 MEDIUM Missing Authorization in GitLab
CVE-2026-4363 3.7 LOW Incorrect Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-80

V. Comments for CVE-2026-2995

No comments yet

Leave a comment